气力输送粉末的流量检测传感器

Flow detection sensor of pneumatic transmission powder

Abstract

气力输送粉末的流量检测传感器,包括一段接入输送管道的透明管,所述的透明管两侧对应地设有发光装置和光电转换装置,所述的发光装置间隔着所述的透明管对准所述的光电转换装置;所述的发光装置和光电转换装置上设有遮光罩。本发明的优点是:可以接入输送管道对管道中关键区域的粉末流量和粉末浓度进行检测,并输出流量和浓度的即时信号,为流量或浓度的精密控制提供了条件。
The invention relates to a flow detection sensor of pneumatic transmission powder, comprising a section of transparent pipe connected with a transmission pipeline. A light-emitting device and a photoelectric conversion device are correspondingly arranged on both sides of the transparent pipe; the light-emitting device spaces the transparent pipe and aims at the photoelectric conversion device; and the light-emitting device and the photoelectric conversion device are provided with light shading covers. The invention has the advantages of being capable of connecting a transmission pipeline to detect powder flow and powder thickness of key regions in the pipeline, outputting real-time signal of flow and thickness, and providing conditions for precision control of the flow or the thickness.

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